Sandwich-machine.



E. L. A. SAVY.

SANDWICH MACHINE.

APPLICATION FILED MAR. 4. I912.

l ,160,532, Patented Nov. 16,1915.

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E L. A. SAVY.

SANDWICH MACHINE.

APPLICATION FILED MAR. 4. 1912.

1,160,532 Patented N0v.16, 1915.

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A TTORNEYJ E. L. A. SAVY.

SANDWICH MACHINE.

APPLICATION FILED MAR. 4. 1912.

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SANDWICH MACHINE;

APPLICATION FILED MAR. 4. 1912.

1,1 60,532, I Patented Nov. 16, 1915.

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E L. A. SAVY. SANDWICH MACHINE.

APPLICATION FILED MAR. 4- 1912.

' 1,160,532. I Patented N0v. 16, 1915.

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IVITNESSES; [N VEN TO 1e,

ATTORNEYS thin, flat cake.

EMILE LOUIS ALFRED SAVY, OF PARIS, FRANCE.

SANDWICH-MACHINE;

- To all whom it may concern:

Be it known that I, EMILE Loms ALFRED SAVY, a citizen of the Republic of France, residing at Paris, in the Department of Seine, France, have invented new and useful Improvements in Sandwich-Machines, of which the following is a specification.

This invention relates to a machine for making sandwiches, preferably those kind ofsandwiches in which cream (plastic confection) is inserted between two layers of The machine is designed and arrangedto form these sandwiches in an automatic and efficient manner.

' The object of the invention is to provide a machine of the class described which will operate in a most efiicient manners-for the purpose desired.

The specific objects of the invention will appear in the detailed description and annexed claims.

In the drawings forming part of this application, Figure 1 is a side view of the assembled machine showing the general arrangementof the more important parts.

Y Fig. 1 is a detailed view showing the arrangement by which the lifting table is operated, and the mechanism by which the cream receptacle is operated. Fig. 2 is an end view of the apparatus adjacent the cream receptacle. Fig. 3 is a plan view of the frame with the sprocket wheels and lifting table assembled thereon. Fig. i is an enlarged, detailed view of the cream receptacle. Fig. 5 is an enlarged detailed view of v the means for feeding the covering cake to the cake.

onto the cream Fig. 6 is a detailed view of the spring-pressed plate carried by the oscillating table. Fig. 7 is a detailed, cross sectional view of the plate over which the cream receptacle moves, and the opening in said plate through which the cream is fed Fig. 8 is another cross sectional view of the same part looking at right angles to the former figure. Fig. 9 1s a view, of certain gearing. Fig. 10 is a detailed view of the cam used to raise the table.

The general operation of the machine is as follows: 'An endless belt carries containers for each sandwich which is to be made. A base cake is first fed to each container; the cream is then fed onto the base cake and then the covering cake is fed onto the ream, after whi h t e c mp e d and- Speciflcation of Letters Patent.

Patented Nov. ie, 1915.

- Application filed March 4, 1912. Serial No. 681,452.

wich is pressed together and then it leaves the apparatus. The covering cake may be omitted, if desired. All of this operation 1s performed automatically with the specific mechanism to be described.

The frame 1 has mounted therein a main driving shaft a which is driven from any suitable source of power. At each end of the frame, sprocket wheels 26 (seeFig. 3) are suitably mounted which carry endless .chains that carry receptacles 21 for they sandwiches to be made (see Fig. 5). These receptacles extend one after another around the chains, as disclosed in said figures. The

upper travel of the belt 72. is rendered level and the chain prevented from sagging by the horizontal support 28. v

The sprocket Wheels are operated from the shaft a as follows: Mounted on the shaft dis a crank-arm b which has a link connection with the arm 0 pivoted on the main frame at '2. At the upper end of this arm another link connectionconnects the arm 6, pivoted on the shaft 9, which contains at its upper end a pawl operating on a ratchet f, which ratchet is fast on the shaft 9. As clearly disclosed in Fig. 1, this link motion is shown capable of considerable adjustment. By means of the slot in the arm e and the cross-head 03, together with the adjusting holes shown in the lever 0 it is to reciprocate lengthwise of the apparatus in a manner now to be described.

Figs. 4 and 2 best disclose the spec fic mounting of the cream receptacle. The side guards 11 keep the receptacle from any movement transverse of the machine. A plate 5 is rigidly mounted under the cream receptacle on which the receptacle bears. This plate 5 has openings 14 (see Fig. 8) therein through which the cream is fed to the cakes. The openings 1a are arranged in a series which is transverse to. the machine.

In the present case, there are ten openings,'as seen in Fig. 2, but of course any number desired may be used- The o t et f the,

lot

cream receptacle is open all'the time,.a'nd at each end thereof there is a spring-pressed plate 8 with means to increase the pressure of said spring 3, as disclosed in 4. The plate 5 is. highly polished and allows the cream receptacle to slide thereover. The spring-pressed plates '8 prevent any cream from leaving the receptacle as it slides on the plate 5, except when the receptacle passes over the openings 14. This receptacle is operated as follows from the shaft a: A mutilated gear and mechanism similar to a Geneva stop motion, as shown in Figs. land 9, transmits motion from the shaft a to the shaft j. When the shaft aturns a complete revolution, the shaft y turns a half revolution, as is clear from said Fig. 9, and the shaft a having the mutilated gear n, will be turning for a considerable period, while the shaft 7' is at rest, which is also clear from said figure. Mounted on the shaft 3' is a crank-arm k and a link connection therefrom to an oscillating lever 2' which ismounted on the main frame intermediate of its ends, as shown in Fig. 1. As this lever 71 oscillates it moves the cream receptacle m through the link connection Z, which is pivoted to m at 10. The movement of the receptacle on will be as follows as the shaft a rotates continuously: It will first move to the left (see Fig. 1) then there will be a dwell, after which it will move to the right,

and so on continuously. This willbe clear from an examination of Fig. 9. Thus a complete revolution of the shaft 0. moves the receptacle m in one direction, and the next complete revolution of the shaft a moves it in the opposite direction. .Whenever the receptacle m slides over the openings 14:, cream isfed therethrough to the cakes, which are presented under the opening. as follows: Whenever the chain moves forward in its intermittent movement, one of the receptacles 21 moves past the bottom of the cake-feeding device 3 (see Fig. 1) and a cake 23, (see Fig. 5) falls into the recess in the receptacle The receptaclethen carries this cake along with the chain until at one of the dwells in the chains operation, a table r carrying the plates 7 (see Fig. 6) is moved upwardly to'press the cake carried by the receptacle 21 into registering position with the opening 14. As the cake is carriedup' into this registering position it overcomes the springs 15, as shown in Fig. 7 Just as I the cake is presented in this movement to the underside of the opening 14, the appa ratus is so-timed that between the movements of the chain the cream receptacle m will'be moved past the openings 14 and feed cream through said openings to the face of each of the cakes. Then as th'e'chain h moves forwardly the table 1' has allowed the receptacle to fallaway from re 'stering'po- -sition with the opening 14, an the springs back intoplace. cams 18 are counter clockwise.) The move- 1,1eo,esa

15 force the cake down with the receptacle in order to avoid any sticking due to the cream. vIn this cream feeding operation it is necessary to move the table 1' in exactly the right time with respect to the other 'movements. The table 1" is mounted pivotally and adjustably at the point 8 (see Fig. 1) in the main frame, and raised and lowered by a link connection 4 having a forked end between which the shaft a extends. A

cam 0 (see Fig.1) is mounted on this shaft that it operates to throw the table 1' up so that-the spring-pressedplate 7, fixed to the table can force the receptacle 21 carrying the cake gently into engagement with the 7 opening 14, The cam holds the table in this position during the time in which the cream receptacle m is moving past the openings l i. All this operation may be clearly traced out from the drawings which are believed to be accurate .in respect to the operation described.

As the chains move forward from under the cream receptacle they carry the receptacles 21 with the cakes and the layer of cream under a second cake feeding mechanism 00 which is best shown in Fig. 5. It will be seen that there is a connection between the one cake held by the holding arm 16 to drop directly onto the cream held by the cake inthe receptacle 21. It should be noticed that the holding members 17, which are pivotally mounted and spring-pressed into place, support the entire column of cakes in the feedin device :20, except the very lowest cake, which is held by the member 16. As the shafts u and 'v rotate, the cams will cause the lower 'cakes to first fall and will then allow the member 16 to spring (The movements of the ment of the arms -'17 thenwill release the whole column ofcakes which fall onto the lower arm members 16, after which the mem ers 1? spring a t their no mal p0.-

sition and hold all the cakes in the column, except the lowermost one. The sandwich has now been completed, except for. one operation which is as follows: The transverse bar 20 (see Fig. 5) is mounted over the travel of the belt immediately beyond the second cake-feeding device. The table 7' has a second spring-pressed plate 7 mounted thereon which, when raised by the movement of the table, will push the receptacle carrying the completed sandwich against the plate 20, as is clear from an examination of Fig. 5. The mechanism is so timed that this last operation takes place at the same time that the table 1' is raised to place a following series of cakes in position for the cream to be fed thereonl .This operation presses the cakes and cream gently together and makes a firmly fixed sandwich. The chain then continuing to feed, allows the cakes to drop out of the receptacle 21, as the chain turns around the left-hand sprocketwheel in Fig. 5, or the cakesmay then be removed in any suitable manner. The timing of the operations of machine, such as described, is important. The mechanism is timed preferably to operate as follows: The shaft a is constantly driven, the shaft 7' and all the mechanism controlled thereby is operated intermittently and the table 1* is raised and lowered intermittently. Now the proper details of the timing being provided for, the operation is generally as follows: The chain is moved forward one step during which time ten receptacles take cakes from the feeder 3 none of the other parts operating during this movement. The chain then remains stationary while the ratchet goes back for its next forward driving movement. cam on a first raises ten receptacles so that ten cakes register with the ten openings. The cream receptacle has been moving along the smooth plate 5 while the cakes were being put in place, and now passes rapidly over the openings 14 filling them with cream. The next operation is for the cakes carrying the cream to fall away from the openmgs. The cam allows this by allowing the table to fall. The chain next moves forward and other cakes start through the machine while the coated cakes pass to the second cake-feeding mechanism, all of the'cakes stopping directly under this mechanism to get the cover cake during a dwell in the chains operation. All the cakes also stop directly under the transverse bar 20 during a dwell while the table r is raised and the plate 7 presses the cakes together.

It can be seen from the drawing that the shaft j and associated mechanism operates only during a dwell in the operation of the chain. The cakes are kept from side movement in their carriers by the series of side guides 27,

When the chain is stationary, the

stood that other forms of the invention from the specific one shown may be easily built by one skilled in thev art, and it is therefore desired that all generic features of the invention be included in this or other applications, as pointed out in the annexed claims.

What I claim, is

1. In combination, means arranged to feed cakes intermittently, a series of conveying receptacles each arranged to be intermittently and successively moved under said means to receive a cake therefrom during the operation of said means, a cream-feeding means mounted above the path of said conveying receptacles to feed cream to the cakes held by the conveying receptacles, and .a second cake-feeding means arranged to feed a second cake over the cream on each of'the first cakes fed to the several receptacles, and operating means constructed and arranged to positively move said conveying receptacles into proper registering position to the cake-feeding and cream-feeding means, said second cake-feeding means comprising a guidewayfor the cakes, a pair of arms arranged to support the bottom cake, a second pair of arms to support the remainder of the cakes, means to move the first pair of arms to drop the bottom cake, and to thereafter return said arms to supporting position and means thereafter to move said second pair of arms to drop the column of cakes on said first pair of arms and to return sald arms to supporting position. v

2. In combination, a frame, an endless belt carrying a series of transversely arranged cake receptacles each having a pocket arranged to completely support a cake and to retain its side edges in correct ahnement,

acake feeder under which the receptacles move and receive cakes, a cream receptacle arranged to feed cream to the cakes in the receptacles, and a second cake-feeder comprising a guide for a column of cakes, a supporting means for the lower cake, a supporting means for the remainder of the column, devices. to move said first means to drop the lower cake and thereafter to re turn said means to supporting position, devices to subsequently move said second means to drop saidecolumn upon said first means and thereafter to return said means to supporting position.

'3. In a sandwich machine, the combination of an endless carrier having receptacles to receive cakes, means for operating the carrier intermittently, means to feed cakes V thereto, a cream feeding device to cover said cake with cream between the intermittent movements of said carrier, means to elevate the cakes and present them to the outlet of the cream feeding device during the operation o the same; a e ond. c ke feeding e-' to yieldingly press sai d cakes.

4. In a sandwich machine, the combination of a carrier, means to feed cakes thereto, means to feed cream to said cakes and a second feeding means to feed cakes on top of the cream to form sandwiches, said latter means comprising a guideway arranged to receive a column of cakes, pivoted arms arranged to support the bottom cake of the column, other pivoted arms arranged to support the remainder of the column, means to swing the firstanentioned arms to drop the bottom cake and then the second pair of arms to drop the colmun upon the'first pair of arms together with means to return the first-mentioned pair of arms before the second pair operate and meansthereafterto return the second pair of arms, whereby they will support all the cakes, except the lower one of the column.

5. In a sandwich machine, the combination of a carrier, means to feed cakes thereto, means to feed cream to the cakes thereon,

a second cake feeding means to feed cakes on top of the cream to form sandwiches, a plate extending transversely over the car- T181, and a pivoted frame havlng springpressed plates with means for raislng and.

lowering the frame whereby the springpressed plates force the cakes from the first mentioned feeding means up to the outlet of the cream-feeding means, and the sandwiches up to en ement with the transa versely extending p late to press the assembled cakes and cream together.

6. In. a sandwich machine, the combination of a carrier, means to feed cakes thereto, means to feed cream to the cakes thereon and a second cake feeding means to feed cakes on top of the cream to form sandwiches, said latter means comprising a vertical guideway adapted to receive a column of cakes, a pair of pivoted arms arranged to supportthe bottom cake, a second pair of pivoted arms arranged to support the remaining cakes, two cam shafts, and a driving connection therebetween .each having cams arranged when said shafts are rotated to swing the first mentioned pair of arms to drop the bottom cake and then the second pair of arms to drop the column of cakes onto the first pair of arms, together. with means for returning said first mentioned pair of arms before the second pair operate, and means thereafter to return the second pair of arms where they will support. all the cakes, except the lower one of the column.

EMILE LOUIS ALFRED SAVY.

Witnesses:

H. C. Coxn,

EMILE SEDRET. 

